import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 86183
 * Date: 2022-10-29
 * Time: 22:10
 */

public class Test {
    public static boolean containsDuplicate(int[] nums){
        double a= Math.pow(10,9);

        boolean[] tmp = new boolean[(int)a*2];

//        for (int i = 0; i < nums.length; i++) {
//            s.append(nums[i]);
//            if(tmp[nums[i]] == false){
//                tmp[nums[i]] = true;
//            }else {
//                return true;
//            }
//        }
        return false;
    }
    public static void main(String[] args) {
        System.out.println(Integer.MAX_VALUE);
           int[] nums={1,999999999,1};
           System.out.println(containsDuplicate(nums));
    }

}
